11. Which of the following is a characteristic of all chemical changes? *

asked Oct 14, 2022 185k views

19 votes

by Spouk

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10 votes

Answer:

i think A

Step-by-step explanation:

definitely not c

a new substance is not always formed, like when you burn a piece of paper.

i am stuck between a and b :(

Joseph Stine answered Oct 19, 2022

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